package com.tourguide.api.admin;

import com.tourguide.common.api.ApiResponse;
import com.tourguide.modules.operation.dto.AgreementContentRequest;
import com.tourguide.modules.operation.dto.AgreementResponse;
import com.tourguide.modules.operation.service.AgreementSettingService;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import javax.validation.Valid;
import java.util.List;

/**
 * 管理后台协议内容维护接口。
 * 提供协议列表查询和按协议编码更新正文的能力，协议类型由后端预置编码约束。
 */
@RestController
@RequestMapping("/api/admin/agreements")
public class AdminAgreementSettingController {
    private final AgreementSettingService agreementService;

    public AdminAgreementSettingController(AgreementSettingService agreementService) {
        this.agreementService = agreementService;
    }

    /**
     * 查询后台当前支持维护的全部协议及其最新内容。
     *
     * @return 协议编码、名称、正文和更新时间组成的列表
     */
    @GetMapping
    public ApiResponse<List<AgreementResponse>> list() {
        return ApiResponse.success(agreementService.list());
    }

    /**
     * 更新指定协议编码对应的正文内容。
     *
     * @param code 协议唯一编码，用于定位用户协议、隐私政策等具体协议
     * @param request 协议正文保存参数
     * @return 更新后的协议完整信息
     */
    @PutMapping("/{code}")
    public ApiResponse<AgreementResponse> update(@PathVariable String code,
                                                 @Valid @RequestBody AgreementContentRequest request) {
        return ApiResponse.success(agreementService.update(code, request.getContent()));
    }
}